NEET BIOLOGY

CELL STRUCTURES AND FUNCTION

CELL STRUCTURE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Cells custodians and SWAT team members-Clean up Cell Parts and recycle
A
vacuoles
B
mitochondria
C
lysosomes
D
ribosomes
Explanation: 

Detailed explanation-1: -A lysosome is a membrane-bound cell organelle that contains digestive enzymes. Lysosomes are involved with various cell processes. They break down excess or worn-out cell parts.

Detailed explanation-2: -Lysosomes act as the clean-up crew of the cell. They are filled with enzymes that break down macromolecules into smaller molecules, which are then used to nourish the cell. They can digest peptides, nucleic acids, carbohydrates, and lipids. This is how cells recycle materials like amino acids and glucose.

Detailed explanation-3: -Lysosomes are membrane-enclosed organelles that contain an array of enzymes capable of breaking down all types of biological polymers-proteins, nucleic acids, carbohydrates, and lipids.

Detailed explanation-4: -As most high schoolers learn, the lysosome carries out waste disposal and recycling. In a process known as autophagy (meaning “self-eating”), it takes in old cellular components and unneeded large molecules, such as proteins, nucleic acids and sugars, and digests them with the help of enzymes and acids.

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